Both Gville and NW are very good teams, but in my opinion you cannot blast NW for a weak schedule and not blast Gville. Overall I'll take NW's schedule on difficulty over Gville.
With that being said, neither one has won squat yet. Gville has to get by a tough upstate playoff bracket to get to the finals and then face the lowerstate champ. For NW, I don't care how many goals they scored yesterday, the playoffs will be difficult and let's not forget that this is soccer, not baseball. One bad game and you're done.